IM15.{11-15,17-18} | GI Bleeding Treatment and Transfusion — Summary & Reflection

KEY TAKEAWAYS

Treatment of GI bleeding integrates resuscitation, transfusion medicine, disease-specific pharmacotherapy, specialist escalation, and patient communication.

Transfusion thresholds: PRBCs if Hb <7 g/dL (or <8 g/dL in cardiovascular disease); FFP if INR >1.5 or massive transfusion (1:1.5 ratio with PRBCs); platelets if <50 × 10⁹/L active bleeding; cryoprecipitate if fibrinogen <1.5 g/L. Mismatched transfusion = stop immediately, maintain IV access, support kidneys, re-crossmatch.

Variceal bleeding bundle (all four mandatory): terlipressin 2 mg IV Q4h (start on clinical suspicion; V1 splanchnic vasoconstriction) OR octreotide 50 mcg IV bolus then 50 mcg/hour infusion (safe in ischaemic heart disease) + ceftriaxone 1 g/day IV × 7 days + endoscopic band ligation within 12 hours + secondary prophylaxis (propranolol + repeat banding). Terlipressin contraindicated in ischaemic heart disease — use octreotide instead. TIPS = salvage after two endoscopic failures.

Peptic ulcer bleeding: IV PPI (pantoprazole/omeprazole 80 mg bolus then 8 mg/hour × 72h post-endoscopy for Forrest Ia/IIa) + H. pylori eradication if positive (14-day triple therapy: PPI + clarithromycin + amoxicillin; confirm eradication with UBT or stool antigen, NOT serology). Stop NSAID permanently; use pantoprazole/rabeprazole over omeprazole/esomeprazole in clopidogrel-treated patients (CYP2C19 interaction).

Specialist consultation triggers: Gastroenterology (all UGIB, urgent if Blatchford ≥6); surgery (endoscopic failure, >6 units/24h, surgical emergency); IR (active bleed on CTA, endoscopic failure); ICU (haemodynamic instability, aspiration, encephalopathy).

Counselling: empathetic, non-judgemental, clear lay language; explain diagnosis, procedures (endoscopy), transfusion rationale; address alcohol use sensitively — cessation support post-discharge.

REFLECT

Return to the opening scenario — four simultaneous treatment errors in a cirrhotic patient with variceal bleeding (no terlipressin, no antibiotics, inadequate platelet transfusion, PPI used instead of vasoactive drug). Having completed this module, you could now walk into that scenario and immediately identify and correct each error. But reflect more deeply: how do these errors happen? They happen when pharmacotherapy for GI bleeding is not understood as a mechanistic framework (why does terlipressin work? why does antibiotic prophylaxis reduce rebleeding?) but memorised as a checklist. In your clinical years, when you are tired at 2 AM, checklists fail and mechanistic understanding persists. Think also about the family in that opening scenario — terrified, in the waiting room at 2 AM. How would you explain to them in 3 minutes what is happening to their father, what the treatment plan involves, and what the realistic prognosis is — all while remaining compassionate and honest? The clinical skills and the communication skills are inseparable in this emergency.